From patchwork Thu Nov 9 15:39:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13451249 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 124933032E for ; Thu, 9 Nov 2023 15:41:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="JLbn8a3k" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 91D733866 for ; Thu, 9 Nov 2023 07:41:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1699544468; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=QXSR/5dGYSLLIzkrUqlSUZEGpATfuh7Jb7sNeswoiGc=; b=JLbn8a3kHx1J/MZKecrK4fRemiBSXGYMgyzWSv5u6ANpCgN8oEP2kLBhz379Pi/1siU8a3 5YgNepNKc/1Jb1Kpt7hwhs3KGSYJTbhsdfSBKc2DwTvrGM5YpubrFPfREMwrAmwaFF8Ag8 9+ZFAH4ExlbY6pWoiqPyeo1zmqnHHuQ= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-78-kjPBqPX_MlGhtVbMphMM6Q-1; Thu, 09 Nov 2023 10:41:07 -0500 X-MC-Unique: kjPBqPX_MlGhtVbMphMM6Q-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id ED89A8122A2; Thu, 9 Nov 2023 15:41:06 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id 316B4492BFA; Thu, 9 Nov 2023 15:41:06 +0000 (UTC) From: David Howells To: Marc Dionne Cc: David Howells , linux-afs@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 33/41] afs: Mark a superblock for an R/O or Backup volume as SB_RDONLY Date: Thu, 9 Nov 2023 15:39:56 +0000 Message-ID: <20231109154004.3317227-34-dhowells@redhat.com> In-Reply-To: <20231109154004.3317227-1-dhowells@redhat.com> References: <20231109154004.3317227-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 Mark a superblock that is for for an R/O or Backup volume as SB_RDONLY when mounting it. Signed-off-by: David Howells cc: Marc Dionne cc: linux-afs@lists.infradead.org --- fs/afs/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/afs/super.c b/fs/afs/super.c index e95fb4cb4fcd..a01a0fb2cdbb 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -407,8 +407,10 @@ static int afs_validate_fc(struct fs_context *fc) return PTR_ERR(volume); ctx->volume = volume; - if (volume->type != AFSVL_RWVOL) + if (volume->type != AFSVL_RWVOL) { ctx->flock_mode = afs_flock_mode_local; + fc->sb_flags |= SB_RDONLY; + } } return 0;